Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Apr. 30, 2012
Jan. 31, 2012
Condensed Consolidated Balance Sheets [Abstract]    
Allowances for accounts receivable $ 448 $ 590
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 166,465,483 163,569,361
Common stock, shares outstanding 166,465,483 163,569,361